Sagot :
Answer:
[tex] = 15 {y}^{3} + 25 {y}^{3} - 20 {y}^{2} - 10y \\ = 40 {y}^{3} - 20 {y}^{2} - 10y[/tex]
Answer:
40y³-20y²-10y
Step-by-step explanation:
5y(3y²+5y²-4y-2) -add 3y² and 5y²
5y(8y²-4y-2) -use distributive property
40y³-20y²-10y -final answer